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Investment Securities (Details) Available-for-Sale (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Investments, Debt and Equity Securities [Abstract]    
Available-for-sale securities, debt maturities, next twelve months, amortized cost basis $ 0  
Available-for-sale securities, debt maturities, next twelve months, fair value 0  
Available-for-sale securities, debt maturities, year two through five, amortized cost basis 0  
Available-for-sale securities, debt maturities, year two through five, fair value 0  
Available-for-sale securities, debt maturities, year six through ten, amortized cost basis 1,000  
Available-for-sale securities, debt maturities, year six through ten, fair value 927  
Available-for-sale securities, debt maturities, after ten years, amortized cost basis 0  
Available-for-sale securities, debt maturities, after ten years, fair value 0  
Available-for-sale securities, amortized cost basis 1,000 1,000
Available-for-sale securities, debt maturities, fair value $ 927 $ 832